To acheive the requirements of DIAL instrument, a frequency detection unit (FDU) was realised for water vapour spectroscopy. For this we have developed and realised an ECDL, which can be adjusted at 935 nm or at 942 nm, a region also considered as possible for the WALES (water vapour lidar experiment in space) transmitter. The second main subsystem of the FDU, a frequency reference unit (FRU), grants short- and long-term frequency stabilities of the ISL. Offset-locking with frequency differences up to 19 GHz has been experimentally demonstrated with the proposed technique.


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    Title :

    Frequency-stabilised laser reference system for water vapour spectroscopy and sensing applications


    Contributors:
    Matthey, R. (author) / Affolderbach, C. (author) / Mileti, G. (author) / Schilt, S. (author) / Werner, D. (author) / Thevenaz, L. (author)


    Publication date :

    2005-01-01


    Size :

    310607 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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